[nrf noup] boot: bootutil: key revocation fix

adds missing valid return state in key revocation procedure.

nrf-squash! [nrf noup] bootutil: key revocation

Signed-off-by: Mateusz Michalek <[email protected]>

Author: michalek-no

boot/bootutil/src/loader.c

@@ -3000,7 +3000,8 @@ context_boot_go(struct boot_loader_state *state, struct boot_rsp *rsp)
     fih_rc = FIH_SUCCESS;
 #if defined(CONFIG_BOOT_KEYS_REVOCATION)
     rc = revoke();
-    if (rc != BOOT_KEY_REVOKE_OK) {
+    if (rc != BOOT_KEY_REVOKE_OK &&
+        rc != BOOT_KEY_REVOKE_NOT_READY) {
         FIH_SET(fih_rc, FIH_FAILURE);
     }
 #endif /* CONFIG_BOOT_KEYS_REVOCATION */